微服务节点整合Nacos启动报错疑问

老师，您好。我本地按照课程在微服务节点里面整合了nacos，install之后正常，但启动的时候报错了nacos登录也是正常的，想问一下是什么原因。

install运行结果：

nacos后台登录（centos上对应的ip是10.40.4.142）：

company-service配置：

启动报错结果：

. ____ _ __ _ _

/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \

( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \

\\/ ___)| |_)| | | | | || (_| | ) ) ) )

' |____| .__|_| |_|_| |_\__, | / / / /

=========|_|==============|___/=/_/_/_/

:: Spring Boot :: (v2.6.13)

2022-12-30 17:19:26.327 INFO 13948 --- [ main] com.imooc.ServiceCompanyApplication : Starting ServiceCompanyApplication using Java 1.8.0_162 on DFSS-20160722AC with PID 13948 (D:\WorkSpace\imooc-hire-dev\service-company-6001\target\classes started by Administrator in D:\WorkSpace\imooc-hire-dev)

2022-12-30 17:19:26.331 INFO 13948 --- [ main] com.imooc.ServiceCompanyApplication : The following 1 profile is active: "dev"

2022-12-30 17:19:27.446 WARN 13948 --- [ main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.imooc]' package. Please check your configuration.

2022-12-30 17:19:27.532 INFO 13948 --- [ main] o.s.cloud.context.scope.GenericScope : BeanFactory id=198972d5-b868-3b7a-afb2-74c724a5b02b

2022-12-30 17:19:27.957 INFO 13948 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 6001 (http)

2022-12-30 17:19:27.968 INFO 13948 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]

2022-12-30 17:19:27.968 INFO 13948 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.68]

2022-12-30 17:19:28.157 INFO 13948 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext

2022-12-30 17:19:28.157 INFO 13948 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1757 ms

org.apache.ibatis.session.defaults.DefaultSqlSessionFactory@6c6366cf

_ _ |_ _ _|_. ___ _ | _

| | |\/|_)(_| | |_\ |_)||_|_\

/ |

3.5.0

2022-12-30 17:19:30.186 INFO 13948 --- [ main] com.alibaba.nacos.common.remote.client : [RpcClientFactory] create a new rpc client of 17e1b3a1-5176-42cf-9d3c-6e19552315af

2022-12-30 17:19:30.263 INFO 13948 --- [ main] org.reflections.Reflections : Reflections took 54 ms to scan 1 urls, producing 3 keys and 6 values

2022-12-30 17:19:30.314 INFO 13948 --- [ main] org.reflections.Reflections : Reflections took 28 ms to scan 1 urls, producing 4 keys and 9 values

2022-12-30 17:19:30.337 INFO 13948 --- [ main] org.reflections.Reflections : Reflections took 20 ms to scan 1 urls, producing 3 keys and 10 values

2022-12-30 17:19:30.495 INFO 13948 --- [ main] org.reflections.Reflections : Reflections took 154 ms to scan 111 urls, producing 0 keys and 0 values

2022-12-30 17:19:30.515 INFO 13948 --- [ main] org.reflections.Reflections : Reflections took 19 ms to scan 1 urls, producing 1 keys and 5 values

2022-12-30 17:19:30.539 INFO 13948 --- [ main] org.reflections.Reflections : Reflections took 20 ms to scan 1 urls, producing 1 keys and 7 values

2022-12-30 17:19:30.562 INFO 13948 --- [ main] org.reflections.Reflections : Reflections took 19 ms to scan 1 urls, producing 2 keys and 8 values

2022-12-30 17:19:30.701 INFO 13948 --- [ main] org.reflections.Reflections : Reflections took 136 ms to scan 111 urls, producing 0 keys and 0 values

2022-12-30 17:19:30.703 INFO 13948 --- [ main] com.alibaba.nacos.common.remote.client : [17e1b3a1-5176-42cf-9d3c-6e19552315af] RpcClient init label, labels = {module=naming, source=sdk}

2022-12-30 17:19:30.706 INFO 13948 --- [ main] com.alibaba.nacos.common.remote.client : [17e1b3a1-5176-42cf-9d3c-6e19552315af] RpcClient init, ServerListFactory = com.alibaba.nacos.client.naming.core.ServerListManager

2022-12-30 17:19:30.706 INFO 13948 --- [ main] com.alibaba.nacos.common.remote.client : [17e1b3a1-5176-42cf-9d3c-6e19552315af] Registry connection listener to current client:com.alibaba.nacos.client.naming.remote.gprc.redo.NamingGrpcRedoService

2022-12-30 17:19:30.707 INFO 13948 --- [ main] com.alibaba.nacos.common.remote.client : [17e1b3a1-5176-42cf-9d3c-6e19552315af] Register server push request handler:com.alibaba.nacos.client.naming.remote.gprc.NamingPushRequestHandler

2022-12-30 17:19:30.710 INFO 13948 --- [ main] com.alibaba.nacos.common.remote.client : [17e1b3a1-5176-42cf-9d3c-6e19552315af] Try to connect to server on start up, server: {serverIp = '10.40.4.142', server main port = 8848}

2022-12-30 17:19:34.281 ERROR 13948 --- [ main] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 10.40.4.142 ,port 9848 is available , error ={}

java.util.concurrent.TimeoutException: Waited 3000 milliseconds (plus 891963 nanoseconds delay) for com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$GrpcFuture@46e190ed[status=PENDING, info=[GrpcFuture{clientCall={delegate={delegate=ClientCallImpl{method=MethodDescriptor{fullMethodName=Request/request, type=UNARY, idempotent=false, safe=false, sampledToLocalTracing=true, requestMarshaller=com.alibaba.nacos.shaded.io.grpc.protobuf.lite.ProtoLiteUtils$MessageMarshaller@5be052ca, responseMarshaller=com.alibaba.nacos.shaded.io.grpc.protobuf.lite.ProtoLiteUtils$MessageMarshaller@2007435e, schemaDescriptor=com.alibaba.nacos.api.grpc.auto.RequestGrpc$RequestMethodDescriptorSupplier@da28d03}}}}}]]

at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:508) ~[nacos-client-2.0.4.jar:na]

at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.serverCheck(GrpcClient.java:148) [nacos-client-2.0.4.jar:na]

at com.alibaba.nacos.common.remote.client.grpc.GrpcClient.connectToServer(GrpcClient.java:264) [nacos-client-2.0.4.jar:na]

at com.alibaba.nacos.common.remote.client.RpcClient.start(RpcClient.java:390) [nacos-client-2.0.4.jar:na]

at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.start(NamingGrpcClientProxy.java:96) [nacos-client-2.0.4.jar:na]

at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.<init>(NamingGrpcClientProxy.java:89) [nacos-client-2.0.4.jar:na]

at com.alibaba.nacos.client.naming.remote.NamingClientProxyDelegate.<init>(NamingClientProxyDelegate.java:76) [nacos-client-2.0.4.jar:na]

at com.alibaba.nacos.client.naming.NacosNamingService.init(NacosNamingService.java:95) [nacos-client-2.0.4.jar:na]

at com.alibaba.nacos.client.naming.NacosNamingService.<init>(NacosNamingService.java:81) [nacos-client-2.0.4.jar:na]

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [na:1.8.0_162]

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) [na:1.8.0_162]

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) [na:1.8.0_162]

at java.lang.reflect.Constructor.newInstance(Constructor.java:423) [na:1.8.0_162]

at com.alibaba.nacos.api.naming.NamingFactory.createNamingService(NamingFactory.java:59) [nacos-client-2.0.4.jar:na]

at com.alibaba.nacos.api.NacosFactory.createNamingService(NacosFactory.java:77) [nacos-client-2.0.4.jar:na]

at com.alibaba.cloud.nacos.NacosServiceManager.createNewNamingService(NacosServiceManager.java:99) [spring-cloud-starter-alibaba-nacos-discovery-2021.0.4.0.jar:2021.0.4.0]

at com.alibaba.cloud.nacos.NacosServiceManager.buildNamingService(NacosServiceManager.java:90) [spring-cloud-starter-alibaba-nacos-discovery-2021.0.4.0.jar:2021.0.4.0]

at com.alibaba.cloud.nacos.NacosServiceManager.getNamingService(NacosServiceManager.java:46) [spring-cloud-starter-alibaba-nacos-discovery-2021.0.4.0.jar:2021.0.4.0]

at com.alibaba.cloud.nacos.discovery.NacosWatch.start(NacosWatch.java:130) [spring-cloud-starter-alibaba-nacos-discovery-2021.0.4.0.jar:2021.0.4.0]

at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) [spring-context-5.3.23.jar:5.3.23]

at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) [spring-context-5.3.23.jar:5.3.23]

at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) [spring-context-5.3.23.jar:5.3.23]

at java.lang.Iterable.forEach(Iterable.java:75) ~[na:1.8.0_162]

at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) [spring-context-5.3.23.jar:5.3.23]

at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) [spring-context-5.3.23.jar:5.3.23]

at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935) ~[spring-context-5.3.23.jar:5.3.23]

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) ~[spring-context-5.3.23.jar:5.3.23]

at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.13.jar:2.6.13]

at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:745) ~[spring-boot-2.6.13.jar:2.6.13]

at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:420) ~[spring-boot-2.6.13.jar:2.6.13]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-2.6.13.jar:2.6.13]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1317) ~[spring-boot-2.6.13.jar:2.6.13]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1306) ~[spring-boot-2.6.13.jar:2.6.13]

at com.imooc.ServiceCompanyApplication.main(ServiceCompanyApplication.java:14) ~[classes/:na]

2022-12-30 17:19:34.297 INFO 13948 --- [ main] com.alibaba.nacos.common.remote.client : [17e1b3a1-5176-42cf-9d3c-6e19552315af] Try to connect to server on start up, server: {serverIp = '10.40.4.142', server main port = 8848}

2022-12-30 17:19:37.300 ERROR 13948 --- [ main] c.a.n.c.remote.client.grpc.GrpcClient : Server check fail, please check server 10.40.4.142 ,port 9848 is available , error ={}

java.util.concurrent.TimeoutException: Waited 3000 milliseconds (plus 327177 nanoseconds delay) for com.alibaba.nacos.shaded.io.grpc.stub.ClientCalls$GrpcFuture@5f5827d0[status=PENDING, info=[GrpcFuture{clientCall={delegate={delegate=ClientCallImpl{method=MethodDescriptor{fullMethodName=Request/request, type=UNARY, idempotent=false, safe=false, sampledToLocalTracing=true, requestMarshaller=com.alibaba.nacos.shaded.io.grpc.protobuf.lite.ProtoLiteUtils$MessageMarshaller@5be052ca, responseMarshaller=com.alibaba.nacos.shaded.io.grpc.protobuf.lite.ProtoLiteUtils$MessageMarshaller@2007435e, schemaDescriptor=com.alibaba.nacos.api.grpc.auto.RequestGrpc$RequestMethodDescriptorSupplier@da28d03}}}}}]]